Anuradhapura Medical Journal

Volume 11 -

Issue 1 - 2017

Chalky PercherDiplacodes trivialisdistributed, India to Japan, Indonesia, several regions of Australia, West Pacific and Fiji. It is distributed throughout the island and inhabit in ponds, marshes, canals and lakes. Usually adult dragonflies feed on mosquitoes, fleas, flies and butterflies. Dragonflies’ nymph feeds on mosquito larvae. Dragonflies are valuable biological control of the mosquito populations.